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511.
Extreme value theory is used to provide, according to one reviewer, a quantitative measure of the probability of a police dispatch operation going “haywire” under pressure. Convensional queuing theory that concentrates on measures of average performance is not readily adaptable to this application. In a major police department, average values of delay response were found to be acceptable, and preliminary analysis showed that sufficient resources were available to avoid excessive queuing at peak loads. Nevertheless, reports of occasional excessively delayed responses indicated the existence of serious problems. Extreme value theory concentrates on the statistically rare long delays that, because of the many repetitions of requests for service, can occur more frequently in time than is acceptable to police management. In the example discussed, the predicted magnitudes and frequencies of these long delays provided the justification for an immediate improvement program. In general, the straightforward methodology described would appear to have broad applications and great practical value. The subsequent analysis to identify causal factors is not a part of the discussion. 相似文献
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This article challenges the view that the Supreme Court hasbecome the predominant authority on the constitutional distributionof rights and entitlements among governments in the Canadianfederation. By assuming this position of supremacy, criticscontinue, the Court has usurped key policy functions that belongto political actors, a move that has undermined democratic governancein Canada. Against this view, we argue that the management ofCanada's federal constitutional architecture is a responsibilitythe courts share with key political actors. We describe theCourt's role as meta-political, whereby the Court's federalismjurisprudence supplements rather than subverts the constitutionalrole of political actors. We develop our thesis in relationto two subnational constituencies with a distinctive constitutionalstatus in Canada: the province of Quebec and Aboriginal FirstNations. 相似文献
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The 1980s were painful years of structural adjustment during which many developing countries abandoned statist economic models in favor of market-oriented paradigms. The proponents of structural adjustment, including international lending agencies such as the IMF and World Bank, argued that reforms were necessary to restore growth and curtail inflation. The opponents of adjustment claimed its macroeconomic results were not a foregone conclusion and, regardless of them, such changes would drastically affect the already precarious position of the poor. We use data from sixteen Latin American cases to examine the socioeconomic impacts of structural adjustment. Adjustment was weakly associated with growth, and reform did seem to reduce inflation. Counterintuitively, the extent of structural adjustment appears to be negatively associated with both poverty and inequality. Finally, empirical data show that low levels of growth or even mere economic stability are the best remedy for poverty and inequality. 相似文献
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Julia Lane Kelly S. Mikelson Pat Sharkey Doug Wissoker 《Journal of policy analysis and management》2003,22(4):581-598
This paper provides new evidence to inform the policy debate about the effect of a newly important industry—the temporary help industry—on the labor market outcomes of low‐income workers and those workers who are at risk of being on public assistance. The core issue of whether temporary help work harms the long‐term prospects of disadvantaged individuals depends critically on the alternatives available to the worker. Temporary employment results in labor market outcomes that are better than not working at all. For example, while nonemployed public assistance recipients have only a 35 percent chance of being employed a year later, those who were in temporary employment have almost twice the likelihood of being employed in the same period. These findings, if correct, would support the use of temporary agencies by welfare programs. © 2003 by the Association for Public Policy Analysis and Management 相似文献
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For all its importance, what is actually said about money in Two Treatises is highly obscure. Comparison with Locke's 1668–74 writings on interest reveals a common understanding of the function of money, akin to that of contemporary mercantilists, which illuminates many difficulties in the chapter on property. These writings are the source of the main economic concepts in the Treatises ; namely, labour as the active source of wealth (which along with the Roman Law notion of self-ownership provides the basis of Locke's theory of property); money overcoming the 'spoliation limit' on the accumulation of consumables, and the idea that money is created by and derives its value from consent (which Two Treatises exploits as a justification of the unequal distribution of property). Finally, the early writings suggest how implausible it is to read a labour theory of exchange value into the Treatises . 相似文献
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